estraneWiktionary 原文英美构词拆解estrestrogen词干ane-ane后缀-aneVariant of -an, usually with differentiation (germane, humane, urbane), but sometimes alone (mundane). · (organic chemistry) A saturated hydrocarbon; an alkane.词源说明From estr(ogen) + -ane.释义名词noun1(American spelling, organic chemistry) A steroid hydrocarbon that is the basis of several female hormones